NOTICES

Software your browser runs

three.js r160, the 3D trainers. Copyright 2010-2023 Three.js Authors. MIT License (header).
CesiumJS 1.119, the 3D pattern map. Copyright 2011-2022 CesiumJS Contributors. Apache License 2.0 (LICENCE), with the libraries it carries (their licences).
PDF.js 5.4.296, the document reader. Mozilla Foundation. Apache License 2.0 (LICENCE), with Adobe's CMaps (LICENCE), the Liberation fonts (LICENCE), the Foxit fonts (LICENCE), OpenJPEG (LICENCE, build), qcms (LICENCE, build) and a colour profile (LICENCE).
IBM Plex Sans, copyright 2017 IBM Corp., and B612 Mono, copyright 2012 The B612 Project Authors: SIL Open Font License 1.1 (NOTICE).

Software the server runs

Python, Flask, NumPy, pandas, Matplotlib, OpenCV, Pillow and pillow-heif, pypdf, pypdfium2 (PDFium), ECMWF's ecCodes, Duo Security's py_webauthn, Pupil Labs' pl-neon-recording, FFmpeg, faster-whisper with OpenAI's Whisper model, ONNX Runtime with BAAI's bge-small-en-v1.5 model (LICENCE), Tesseract and OCRmyPDF, LibreOffice. Each under its own open-source licence; none of it is sent to your device.

Data, maps and pictures

ADS-B: contains information from ADSB.lol, which is made available here under the Open Database License (ODbL). Live positions, and the daily archive for flights, videos and HISTORY.
OpenStreetMap: © OpenStreetMap contributors, ODbL. Grand Forks' taxiways, aprons, hold lines, buildings, windsocks, parking, roads, water and power lines in the 3D trainers, and US Highway 2 in Radio Calls.
Canadian radar: Data Source: Environment and Climate Change Canada. Contains information licensed under the Data Server End-use Licence of Environment and Climate Change Canada.
U.S. Government works (public domain): radar (NOAA MRMS) and satellite pictures (NOAA GOES, nowCOAST); forecasts (National Weather Service, the National Blend, the HRRR, the GFS and GEFS, LAMP); METAR and TAF (aviationweather.gov); the FAA's sectional chart, NASR airport data, Digital Obstacle File, WeatherCams, Chart Supplement, airport diagram, handbooks, ACS, advisory circulars and legal interpretations; the eCFR; aerial photography (USGS The National Map and NAIP); FEMA USA Structures; US Census Bureau boundaries.
Other public sources: the Iowa Environmental Mesonet, Iowa State University (ASOS, NEXRAD and model archives); Natural Earth (province lines); OurAirports (airport positions); UND Atmospheric Sciences' skycams (YouTube).
UND documents (STANMAN, SP&P, syllabi) are UND Aerospace's and are used with UND's permission.

OpenStreetMap data in XRLYTICS

The airport files the 3D trainers draw (gfk-layout, gfk-env, gfk-marks, gfk-landmarks and gfk-paved) were made from OpenStreetMap's data, so they are themselves available under the Open Database License 1.0. To get a copy, write through CONTACT SUPPORT.